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Creator:: Meyer, McKenzie S.
Abstract:: Multiple earthquake events have been recorded off the coast of Oregon, yet their locations have great uncertainty. The largest source of uncertainty is the simple models of the crust that are used to interpret seismic recordings. Because the relationship between earthquake locations and crust are diagnostic of tectonic activity, it...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Anne Tréhu Multiple earthquake events have been recorded off the coast of Oregon, yet

Creator:: de Moor, Alexander
Abstract:: To investigate the dynamic response of the outer accretionary wedge updip from the patch of greatest slip during the Mw8.8 2010 Maule earthquake, 10 Ocean Bottom Seismometers (OBS) were deployed from May 2012 to March 2013 in a small array with an inter-instrument spacing of ~10 km. Nine instruments were...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Anne M. Tréhu To investigate the dynamic response of the outer accretionary wedge updip from

Creator:: Scheidhauer, Maren
Abstract:: The Queen Charlotte Fault system is a segment of the North America - Pacific plate boundary. From 45 Ma - 5 Ma, plate motion has been primarily translational. Since 5 Ma, transpression has been the dominant mode of interaction. The plate boundary west of the Queen Charlotte Islands is characterized...
Resource Type:: Masters Thesis
Full Text:: . Redacted for Privacy Abstract approved: Anne M. Trehu The Queen Charlotte Fault system is a segment of

Creator:: Potter, Susan M.
Abstract:: The Gorda Escarpment (40.4° N and from 126° W to 124.7° W) is a topographic high which is the eastern portion of the Mendocino Transform Fault. The Vizcaino Block is the anomalously shallow portion of the Pacific plate immediately south of the Gorda Escarpment. Sediments of the Vizcaino Block record...
Resource Type:: Masters Thesis
Full Text:: extremely thankful to my advisor, Anne Tréhu, for taking me on as a student. Her inspiration and support

Creator:: Fleming, Sean W.
Abstract:: Magnetic and gravity modelling was completed along two E-W transects offshore central Oregon. These models indicate that the backstop-forming western edge of the Siletz terrane has a seaward dip of approximately 40° to 49° at 44°48'N, shallowing to ~28° at 44°1 1 'N. This is a well-determined result, given available...
Resource Type:: Masters Thesis
Full Text:: Gravity. Abstract Approved: Anne M. Trehu Magnetic and gravity modelling was completed along two E-W

Creator:: Chevallier, Johanna
Abstract:: A 3D seismic volume was acquired summer 2000 over the southern end of Hydrate Ridge (FIR), an anomalously shallow ridge 100 km offshore Newport, Oregon. The survey followed a succession of scientific expeditions aimed at studying the gas hydrates present in the shallow subsurface that gave the name to the...
Resource Type:: Masters Thesis
Full Text:: thankful to my advisor, Anne Tréhu, for taking me as her student and for making the writing of this thesis

Creator:: Sattel, Daniel
Abstract:: Seismic refraction data collected in 1985 by the USGS were used in this study to derive the P and S velocity structure of the crust beneath the Gulf of Maine. The data quality differs among instruments and is affected by surficial lateral heterogeneities, a ringy source signature and reverberations. Velocity...
Resource Type:: Masters Thesis
Full Text:: acquisition for this experiment has been described by Tréhu (1987), and is summarized here. Data collection

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